AutoCodes – Chevrolet – P013E 2016 Chevrolet Silverado

P013E 2016 Chevrolet Silverado Code - HO2S Delay Response Rich to Lean Bank 1 Sensor 2

Quick Answer

The Heated Oxygen Sensors (HO2S) are used for fuel control and catalyst monitoring. Common causes include Faulty Heated Oxygen Bank 1 Sensor 2, Heated Oxygen Bank 1 Sensor 2 harness is open or shorted, Heated Oxygen Bank 1 Sensor 2 circuit poor electrical connection. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means: P013E 2016 Chevrolet Silverado indicates HO2S Delay Response Rich to Lean Bank 1 Sensor 2.
Common causes: Common causes include Faulty Heated Oxygen Bank 1 Sensor 2, Heated Oxygen Bank 1 Sensor 2 harness is open or shorted, Heated Oxygen Bank 1 Sensor 2 circuit poor electrical connection.
Severity: Moderate - service should be scheduled soon.
Can I drive?: The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

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Code Popularity 261

How popular is this code, among other codes? Low

Repair Importance Level

Moderate (Service soon) (2 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 28, 2022

Description
Possible Causes
How To Fix
Tech Notes ▶
Cost to Diagnose
FAQs
Comments
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Code P013E 2016 Chevrolet Silverado Description

The Heated Oxygen Sensors (HO2S) are used for fuel control and catalyst monitoring. Each HO2S compares the oxygen content of the surrounding air with the oxygen content of the exhaust stream. When the engine is started, the Engine Control Module (ECM) operates in an Open Loop mode, ignoring the HO2S signal voltage while calculating the air-to-fuel ratio. While the engine runs, the HO2S heats up and begins to generate a voltage within a range of 0 - 1, 000 mV. Once sufficient HO2S voltage fluctuation is observed by the ECM, Closed Loop is entered. The ECM uses the HO2S voltage to determine the air-to-fuel ratio. An HO2S voltage that increases toward 1, 000 mV indicates a rich fuel mixture. An HO2S voltage that decreases toward 0 mV indicates a lean fuel mixture.
The heating elements inside each HO2S heat the sensor to bring the sensor up to operating conditions faster. This allows the system to enter Closed Loop earlier and the ECM to calculate the air-to-fuel ratio sooner.
The Diagnostic Trouble Code (DTC) will be set when the ECM detects that the O2 sensor voltage has not decreased below 450 mV within a calibrated value of accumulated airflow.

OBDII Code P013E 2016 Chevrolet Silverado - HO2S Delay Response Rich to Lean Bank 1 Sensor 2 - AutoCodes.com — P013E 2016 Chevrolet Silverado Code - HO2S Delay Response Rich to Lean Bank 1 Sensor 2

What does this mean?

What are the Possible Causes of the DTC P013E 2016 Chevrolet Silverado?

Faulty Heated Oxygen Bank 1 Sensor 2
Heated Oxygen Bank 1 Sensor 2 harness is open or shorted
Heated Oxygen Bank 1 Sensor 2 circuit poor electrical connection
Low or high fuel system pressure
Fuel contamination
Faulty fuel injectors
Exhaust gas leaks
Engine vacuum leaks

How to Fix the DTC P013E 2016 Chevrolet Silverado?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What does this mean?

Code Tech Notes

Replacing the Rear Heated Oxygen Sensors (HO2S) usually takes care of the problem.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P013E 2016 Chevrolet Silverado code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P013E 2016 Chevrolet Silverado code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P013E 2016 Chevrolet Silverado Code

What does the OBDII code P013E mean on a 2016 Chevrolet Silverado?

P013E refers to "HO2S Delay Response Rich to Lean Bank 1 Sensor 2," indicating the downstream oxygen sensor is not switching between rich and lean efficiently on Bank 1.

What are the common symptoms of the P013E code?

Symptoms may include a check engine light, reduced fuel efficiency, poor engine performance, and failure to pass emissions tests.

What causes the P013E code on a 2016 Chevrolet Silverado?

Common causes include a faulty downstream oxygen sensor (Bank 1 Sensor 2), exhaust leaks, damaged wiring or connectors, or an issue with the engine's air-fuel mixture.

How do you diagnose the P013E code?

Diagnosis involves inspecting the oxygen sensor wiring and connectors, checking for exhaust leaks, and using a scan tool to monitor the performance of the downstream oxygen sensor.

Can a bad oxygen sensor cause the P013E code?

Yes, a malfunctioning downstream oxygen sensor is one of the most common causes of the P013E code.

How can you fix the P013E code?

Repairs may include replacing the downstream oxygen sensor (Bank 1 Sensor 2), repairing damaged wiring, fixing exhaust leaks, or addressing air-fuel mixture issues.

Is it safe to drive with the P013E code?

While the vehicle may still be drivable, ignoring the code can lead to increased emissions, reduced fuel efficiency, and potential damage to other components.

How much does it cost to fix the P013E code?

The cost can vary, but replacing the oxygen sensor generally ranges from $200 to $400, including parts and labor.

Can an exhaust leak trigger the P013E code?

Yes, an exhaust leak near the downstream oxygen sensor can disrupt its readings and trigger the P013E code.

How do you prevent the P013E code from appearing?

Regular maintenance, including inspecting oxygen sensors, checking for exhaust leaks, and ensuring proper air-fuel mixture, can help prevent this code.